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Your app reads and writes directly to its local database, so user interactions feel instant and your app continues to work even when offline. PowerSync syncs changes to and from your local database, so updates appear across users and devices in real-time. PowerSync is made up of the PowerSync Service and a set of client SDKs. The PowerSync Service replicates data from your backend database, partitions it based on what data each user should receive, and streams real-time updates to clients through the PowerSync client SDK.

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Get Started

Setup Guide

Go from zero to a working PowerSync implementation in your project.

Demo Apps / Example Projects

A quick way to get a feel for PowerSync is to run a demo app.

Understand PowerSync

The architecture and the philosophy behind PowerSync.

AI Agent Skills

Official PowerSync skills for Claude Code, Convex, and other AI-powered coding tools.

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Supported Backend Source Databases

PowerSync is designed to be backend database agnostic, and supports these source databases:

Postgres

MongoDB

MySQL (Beta)

SQL Server (Beta)

Convex (Experimental)

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Supported Client SDKs

PowerSync is also designed to be client-side stack agnostic, and currently has client SDKs available for:

Dart/Flutter

React Native & Expo

JavaScript Web

Capacitor (beta)

Tauri (alpha)

Node.js

Kotlin

Swift

.NET (beta)

Rust (alpha)

Looking for an SDK that’s not listed above? Upvote it or submit it on our roadmap.

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Need Help?

Can’t find what you are looking for in these docs? Try Ask AI on this site which is trained on all our documentation, repositories and Discord discussions. Also join us on our community Discord server where you can browse topics from the PowerSync community and chat with our team.